106871-2850 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1068712850

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 106871-2850 1068712850

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Cross reference number

ZEXEL 106871-2850 1068712850

Zexel num

Bosch num

Firm num

Name

106871-2850
106871-2851

MITSUBISHI

INJECTION-PUMP ASSEMBLY
8DC9T2 *

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle and nozzle holder 105780-8140

Bosch type code EF8511/9A

Nozzle 105780-0000

Bosch type code DN12SD12T

Nozzle holder 105780-2080

Bosch type code EF8511/9

Opening pressure MPa 17.2

Opening pressure kgf/cm2 175

Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600

Overflow valve 131424-4620

Overflow valve opening pressure kPa 255 221 289

Overflow valve opening pressure kgf/cm2 2.6 2.25 2.95

Tester oil delivery pressure kPa 157 157 157

Tester oil delivery pressure kgf/cm2 1.6 1.6 1.6

Direction of rotation (viewed from drive side)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
Right R

Injection order 1-2-7-3- 4-5-6-8

Pre-stroke mm 4.8 4.75 4.85

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cyl.1-2 deg. 45 44.5 45.5

Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5

Difference between angles 3
Cal 1-3 deg. 135 134.5 135.5

Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 5
Cal 1-5 deg. 225 224.5 225.5

Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5

Difference between angles 7
Cal 1-8 deg. 315 314.5 315.5

Injection quantity adjustment

Adjusting point -

Rack position 11.4

Pump speed r/min 700 700 700

Each cylinder's injection qty mm3/st. 156 151 161

Basic *

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_02

Adjusting point C

Rack position 6.1+-0.5

Pump speed r/min 225 225 225

Each cylinder's injection qty mm3/st. 20 17 23

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_03

Adjusting point A

Rack position R1(11.4)

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 156 155 157

Basic *

Fixing the lever *

Boost pressure kPa 33.3 33.3

Boost pressure mmHg 250 250

Injection quantity adjustment_04

Adjusting point B

Rack position R1(11.4)

Pump speed r/min 1100 1100 1100

Average injection quantity mm3/st. 164 157 171

Difference in delivery mm3/st. 14 14 14

Fixing the lever *

Boost pressure kPa 33.3 33.3

Boost pressure mmHg 250 250

Injection quantity adjustment_05

Adjusting point D

Rack position -

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 90 70 110

Fixing the lever *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Boost compensator adjustment

Pump speed r/min 650 650 650

Rack position (9.2)

Boost pressure kPa 4 4 4

Boost pressure mmHg 30 30 30

Boost compensator adjustment_02

Pump speed r/min 650 650 650

Rack position R1(11.4)

Boost pressure kPa 20 20 20

Boost pressure mmHg 150 150 150

Timer adjustment

Pump speed r/min (900+-50 )

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 1100

Advance angle deg. 4 3.5 4.5

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Lever ratio: RT (2)Target shim dimension: TH (3)Damper spring setting: DL (4)Boost compensator cancel stroke: BSL (5)Boost compensator stroke: BCL
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RT=1 TH=2.5mm DL=4.3-0.2mm BSL=2.6mm BCL=2.2+-0.1mm
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Speed control lever angle

F:Full speed I:Idle (1)Set the pump speed at aa (2)Set the pump speed at bb. (3)Set the pump speed to cc. (4)Set using the stopper bolt for the bottom air cylinder.
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aa=1150r/min bb=675r/min cc=1010r/min
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a=18deg+-5deg b=9deg+-5deg c=3.5deg+-5deg

0000000901

F:Full load I:Idle (1)Stopper bolt setting
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a=10deg+-5deg b=29.5deg+-3deg

Stop lever angle

N:Engine manufacturer's normal use S:Stop the pump. (1)Rack position = aa (2)Fix using the stopper bolt. (3)Rack position bb (4)Free (at shipping)
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aa=4-0.5mm bb=14.6mm
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a=43deg+7deg-5deg b=30deg+-5deg c=(10.5deg)

0000001501 MICRO SWITCH

Adjustment of the micro-switch Adjust the bolt to obtain the following lever position when the micro-switch is ON. (1)Speed N1 (2)Rack position Ra
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N1=325+-5r/min Ra=5.6mm
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0000001601 2-STAGE CHANGEOVER DEVICE

RFD governor 2 stage changeover mechanism adjustment outline (A) Bolt (B) bolt (c) Nut (D) Return spring (E) Bolt (F) Bolt (G) Screw (H) Bolt (I) Load lever (J) Speed lever (K) Air cylinder (M Air inlet Figure 1 is only for reference. Lever shape, etc, may vary. 1. Minimum-maximum speed specification adjustment (when running) (a) Without applying air to the air cylinder, loosen bolts (A) and (B). (1)High speed return L setting (a) In the speed range Nf~Nf - 300r/min, adjust using the speed adjusting bolt to determine the temporary beginning of high speed control speed. (b) Determine the rack position in the vicinity of Rf using the full load lever. (c) Increase speed and confirm return distance L. (d) Adjust using the tension lever bolt to obtain L. (2)Setting full load rack position Rf (a) Move the load control lever to the full side. (b) Adjust the full load adjusting bolt so that Rf can be obtained, then fix. (3)Setting the beginning of high speed operation Nf (a) Adjust using bolt (E) so that Nf can be obtained, and then fix. (4)Idle control setting (Re, Ni, Rc) (a) Set the speed at Ns + 200r/min and move the load control lever to the idle side. (b) Fix the lever in the position where Re can be obtained. (c) Next, decrease speed to Ni and screw in the idle spring. (d) Adjust to obtain rack position Ri. (e) Increase the speed and after confirming that the rack position is Re at Ns, set the speed at 0. (f) Confirm protrusion position Rc at idle. (5)Damper spring adjustment (a) Increase speed and set the speed at the rack position Rd - 0.1 mm (b) Set using the damper spring so that the rack position Rd can be obtained. (c) When Rd is not specified, Rd = Ri - 0.5 mm. (6)High speed droop confirmation (a) Return the load control lever to the full load lever position. (b) Increase the speed and confirm that Rf can be obtained at Nf r/min. (c) Confirm that speed is Nh at rack position Rh. 2. Variable speed specification adjustment (at operation) (a) Remove return spring (D). (b) Apply air pressure of 245~294 kPa {2.5~3 kg/cm2} to the air cylinder. (c) Perform the following adjustment in this condition. (1)Setting full load rack position Rf' (a) Pull the load lever to the idle side. (b) Obtain rack position Rf' using the nut (C). (Pump speed is Nf'-50 r/min.) (2)Setting full speed Nf' (a) Adjust using bolt (B) so that Nf can be obtained, and then fix. (3)Low speed side setting (a) At 350r/min, set bolt (F) at beginning of governor operation position, then fix. 3. Bolt (A) adjustment (1)Install return spring (D) and perform the adjustments below at air pressure 0. (a) Set at speed Nf using bolt (E). (b) Screw in bolt (A). (c) Screw in 1 more turn from the speed lever contact position (d) Fix bolt (A). (e) At this time confirm that the air cylinder's shaft moves approximately 1 mm towards the governor. 4. Lever operation confirmation using the air cylinder (1)Apply 588 kPa {6 kg/cm2} air pressure to the air cylinder. (2)Confirm that the cylinder piston is moved 50 mm by the spring (D).
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0000001701 AIR CYLINDER

PS:Pump set speed SL:Cylinder position U:Top B:Bottom X:Release Y:Operation 1. Air cylinder operation confirmation (1)Apply air pressure P1 to the upper and lower cylinders. (2)Confirm that the speed can be set.
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P1=392+98kPa(4+1kgf/cm2)
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N1=675r/min N2=1150r/min N3=1010r/min N4=1150r/min

Timing setting

(1)Pump vertical direction (2)Coupling's key groove position at No 1 cylinder's beginning of injection (3)- (4)-
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a=(40deg)

Information:

Never use water alone as a coolant. Water alone is corrosive at engine operating temperatures. In addition, water alone does not provide adequate protection against boiling or freezing.
In engine cooling systems that use water alone, Caterpillar recommends the use of Cat SCA. Cat SCA helps to prevent the following conditions from occurring:
Corrosion
Formation of mineral deposits
Cavitation erosion of the cylinder liner
Foaming of the coolantIf Cat SCA is not used, select a fully formulated commercial SCA. The commercial SCA must provide a minimum of 2400 mg/L or 2400 ppm (140 grains/US gal) of nitrites in the final coolant mixture.The quality of the water is an important factor in this type of cooling system. Distilled water or deionized water is recommended for use in cooling systems. If distilled water or deionized water is not available, use water that meets or exceeds the minimum requirements that are listed in the table for recommended water properties in this Special Publication, "General Coolant Information" topic.A cooling system that uses a mixture of SCA and water only needs more SCA. The SCA concentration in a cooling system that uses SCA and water should be 6 to 8 percent by volume.Maintain the Cat SCA in the same way as you would maintain a cooling system that uses heavy-duty coolant/antifreeze. Adjust the maintenance for the amount ofCat SCA additions.Adding the Cat SCA to Water at the Initial Fill
Use the equation that is in this Special Publication, "Conventional Coolant/Antifreeze Cooling System Maintenance" to determine the amount of Cat SCA that is required at the initial fill. This equation is for a mixture of only Cat SCA and water.Adding the Cat SCA to Water for Maintenance
For the recommended service interval, refer to the Operation and Maintenance Manual, "Maintenance Interval Schedule" for your engine.Submit a coolant sample to your Cat dealer. See this Special Publication, "S O S Services Coolant Analysis" topic.Additions of Cat SCA are based on the results of the coolant analysis. The size of the cooling system determines the amount of Cat SCA that is required.Use the equation that is in this Special Publication, "Conventional Coolant/Antifreeze Cooling System Maintenance" to determine the amount of Cat SCA that is required for maintenance, if necessary:Note: Specific engine applications may require maintenance practices to be periodically evaluated in order to maintain properly the engine cooling system.SCA and part numbers are available from your Cat dealer.